. >>> a face-off between the nra and the husband of gabby giffords. details on today's showdown on capit capitol hill. >> and not again. baseball's alex rodriguez denies doping zblagss and we take you to super bowl media. >>> but we begin with this morning's "eye opener," your world in 90 seconds. >> severe storms rip through the south. >> a tornado tore through mississippi. >> two other twisters touched down in arkansas and missouri. large parts of the country are bracing for more. >> today the senate will hold its first sheeting on gun violence since the shooting in newtown, connecticut. >> the nra is expected to tell lawmakers that bans on aseattle weapons are not enough. >> police stand off with a suspected gunman. they say he shot a school bus driver and then took a child. >> the report accuses a-rod of buying human growth hormone and other substances from a miami clinic. >> a hero soldier now recovering after receiving a double arm transplant. >> i really don't know what to say because it's just such a big thing for my life. it's just fantastic.